Home / 124,957.04-172,443.48-68,368.40

Finding the Fourth Proportional to 124,957.04, 172,443.48 and 68,368.40

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Solution

The fourth proportional to 124,957.04, 172,443.48 and 68,368.40 is: 94,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,957.04 : 172,443.48 = 68,368.40 : x
  2. Step 2: Convert to fraction form
    124,957.04/172,443.48 = 68,368.40/x
  3. Step 3: Cross multiply
    124,957.04x = 172,443.48 × 68,368.40
  4. Step 4: Simplify right side
    124,957.04x = 11,789,684,818.03
  5. Step 5: Solve for x
    x = 11,789,684,818.03/124,957.04
  6. Step 6: Final answer
    x = 94,349.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.